how to get all personal information off a laptop that I'm selling?

Answer 1

right click on my comp n hit properties
der u will get the inf abt ur processor and ram

for information abt hardwares go to hardware tab and select device manager

and some other useful informations are at start>all progs>accessories>system tools>system information

Answer 2

First backup anything that you wish to save, and then run the "Restore" software that came with the computer.

Answer 3

Copy everything to disks, then format the drive, and zero-fill it.